UGA Stratigraphy Lab

The data is in the strata


Specimen Photo

Drawing from Bassler and Kellett, 1934

Depressed convex, suboblong valves with a more or less complete, often sickle-shaped, sharply elevated marginal ridge, within which the surface exhibits two or more usually isolated nodes; ventral edge thick; brood pouch unknown, probably wanting (Bassler and Kellett, 1934).


Drepanella richardsoni (Miller, 1874)
Occurrence: Whitewater
Reference: Dalvé, 1948; Bassler and Kellett, 1934
Originally named Beyrichia richardsoni